linux-kernel - Re: [PATCH][next] mlxsw: spectrum_cnt: Use flex_array

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Message-ID: <20200730092153.GA2182419@shredder>
Date:   Thu, 30 Jul 2020 12:21:53 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Jiri Pirko <jiri@...lanox.com>, Ido Schimmel <idosch@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] mlxsw: spectrum_cnt: Use flex_array_size() helper
 in memcpy()

On Wed, Jul 29, 2020 at 05:58:03PM -0500, Gustavo A. R. Silva wrote:
> Make use of the flex_array_size() helper to calculate the size of a
> flexible array member within an enclosing structure.
> 
> This helper offers defense-in-depth against potential integer
> overflows, while at the same time makes it explicitly clear that
> we are dealing witha flexible array member.
> 
> Also, remove unnecessary pointer identifier sub_pool.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Reviewed-by: Ido Schimmel <idosch@...lanox.com>
Tested-by: Ido Schimmel <idosch@...lanox.com>

Thanks